Home / 129,929.80-194,748.90-73,796.80

Finding the Fourth Proportional to 129,929.80, 194,748.90 and 73,796.80

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Solution

The fourth proportional to 129,929.80, 194,748.90 and 73,796.80 is: 110,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,929.80 : 194,748.90 = 73,796.80 : x
  2. Step 2: Convert to fraction form
    129,929.80/194,748.90 = 73,796.80/x
  3. Step 3: Cross multiply
    129,929.80x = 194,748.90 × 73,796.80
  4. Step 4: Simplify right side
    129,929.80x = 14,371,845,623.52
  5. Step 5: Solve for x
    x = 14,371,845,623.52/129,929.80
  6. Step 6: Final answer
    x = 110,612.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.